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Overview
What Makes These Dunes Sing?
Season 1
Episode 20
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
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12:24
Can new scientific research help unravel the mystery of Cahokia's disappearance?
16:32
What happened to the once lush, now desert-like Colorado River Delta?
9:31
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
10:06
Sea otters play a vital role in maintaining the balance of sensitive kelp forests.
10:14
Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface.
13:02
Joe visits the world’s largest crane, an engineering feat helping to fight climate change.
9:46
These secret islands of the Everglades might be the key to saving it.
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7:23
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9:07
In Chicago a new resident has upended our thinking about cities and the natural world.
8:35
Mt. St. Helens Volcano is the site of the world’s newest glacier, one of the few growing.
8:15
Every spring, the beaches of Delaware Bay play host to one of the world’s wildest parties.